Toshiba MMY-MAP1004HT5P Service Manual page 167

(Errors detected by IPDU featuring in SMMS-i standard outdoor unit - typical examples)
Check code
Outdoor 7-segment display
Sub-code
01: Compressor 1
F13 02: Compressor 2
03: Compressor 3
01: Compressor 1
H01 02: Compressor 2
03: Compressor 3
01: Compressor 1
H02 02: Compressor 2
03: Compressor 3
01: Compressor 1
H03 02: Compressor 2
03: Compressor 3
01: Compressor 1
P04 02: Compressor 2
03: Compressor 3
01: Compressor 1
P07 02: Compressor 2
03: Compressor 3
0 : IGBT circuit
1 : Position detection circuit error
3 : Motor lockup error
4 : Motor current detection
C : TH sensor error
P22 D : TH sensor error
E : Inverter DC voltage error
(outdoor fan)
Note: Although letters 0 to F appear
at locations indicated by " ",
please ignore them.
01: Compressor 1
P26 02: Compressor 2
03: Compressor 3
01: Compressor 1
P29 02: Compressor 2
03: Compressor 3
Note: The above check codes are examples only, and different check codes may be displayed depending on the outdoor unit configuration
(e.g. a Super heat recovery multi system). For details, see the service manual for the outdoor unit.
Display of receiving unit
TCC-LINK Indicator light block
central control
or main remote
Operation Timer Ready
Flash
controller
display
F 1 3 A
H 0 1
H02
H03
P 0 4 A
P 0 7 A
P 2 2 A
P 2 6 A
P 2 9 A
– 166 –
Typical fault site
Error in temperature
Temperature sensor built into indoor IGBT (TH)
L T sensor built into indoor
has been open/short-circuited.
IGBT (TH)
Inverter current (Idc) detection circuit detects
C o m p e r s s r o b e r a k d o w n
overcurrent.
Compressor error (lockup) Compressor lockup is detected
Current detection circuit Abnormal current is detected while inverter
error compressor is turned off.
Activation of high-pressure
L T High-pressure SW is activated.
SW
Heat sink overheating Temperature sensor built into IGBT (TH) detects
L T
error overheating.
L T O u d t o r o a f n P I D U e r r r o O
Short-circuit protection for compressor motor
Activation of G-Tr (IGBT)
L T driver circuit components is activated (momentary
short-circuit protection
overcurrent).
Compressor position Compressor motor position detection error is
L T
detection circuit error detected.
Description of error
u d t o r o a f n P I D U d e e t c s t r e o r . r